Zip lookup · TX

78070
Spring Branch, Texas.

Spring Branch, Comal County, TX · San Antonio-New Braunfels, TX metro · population 20,200

What it costs per month · 78070 $3,003/mo

to buy the typical home at today's mortgage rate — +$1,597 (+114%) since Jan 2020.

What the home itself did
1 year
Up $428 +0%
$571,704$572,132 since Sep 2025
5 years
Up $73,409 +15%
$498,722$572,132 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$1,000 $2,000 $3,000 2002 2006 2010 2014 2018 2022 2026 78070 $3,003 United States $1,922
$1,000 $2,000 $3,000 2002 2010 2018 2026
  • 78070$3,003
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 25 years.

Typical home values in zip 78070 rose 0.1% over the past year — slower than the nation's +1.2%.

Asking rents in zip 78070 rose 7.1% over the past year — faster than the nation's +2.7%.

Owning the typical home in zip 78070 runs $2,366/mo more than renting one — the widest that gap has been in this data.

That is $4,146 a month against $1,781 rent: a $3,003 mortgage payment, plus $531 property tax and $613 insurance & upkeep.

Owning vs renting — zip 78070

The owning line is the typical home's monthly payment at that month's rate, plus property tax and insurance & upkeep; the renting line is the typical asking rent; the grey line is the mortgage payment on its own. Same homes, same months, both ways of paying for a roof.

$2,000 $3,000 $4,000 2026 Owning all in $4,146 Renting $1,781 Mortgage only $3,003
$2,000 $3,000 $4,000 2026
  • Owning all in$4,146
  • Renting$1,781
  • Mortgage only$3,003

Property tax · $531/mo 1.11% of value a year — the ACS 2020-2024 median bill over the median home value for 3 counties

Insurance & upkeep · $613/mo insurance, maintenance and repairs together, from the BLS Consumer Expenditure Survey — the national figure for mortgaged homeowners, scaled to this market's home value. BLS publishes the three bundled and they cannot be split.

Both are priced off the same month's home value, so they rise with the market. Neither is a quote — a specific home's bill depends on its assessment, its age and its insurer.

This zip spans 3 counties: Comal County, TX 82% · Kendall County, TX 10% · Blanco County, TX 8%

Zillow also publishes an index for the city itself: Spring Branch, TX — measured over the city limits, which is a different area from this zip.

Asking rent $1,781 as of Sep 2026
+7.1%year on year
Typical home value $572,132 as of Sep 2026
+0.1%year on year

Asking rent — 78070

Against the San Antonio-New Braunfels, TX metro and the national benchmark.

$1,400 $1,600 $1,800 2026 78070 $1,781 San Antonio $1,415 United States $1,932
$1,400 $1,600 $1,800 2026
  • 78070$1,781
  • San Antonio$1,415
  • United States$1,932

Typical home value — 78070

Mid-tier homes, smoothed and seasonally adjusted.

$200,000 $400,000 $600,000 2018 2020 2022 2024 2026 78070 $572,132 San Antonio $273,806 United States $366,157
$200,000 $400,000 $600,000 2018 2022 2026
  • 78070$572,132
  • San Antonio$273,806
  • United States$366,157

Within 20 miles

Miles sorted ascending, activate to sort descending Zip activate to sort by Zip City activate to sort by City Population activate to sort by Population Rent activate to sort by Rent Home value activate to sort by Home value
8.2 78004 Bergheim 547 — $664,995
9.0 78163 Bulverde 19,141 $2,330 $468,665
9.7 78133 Canyon Lake 21,959 $1,738 $376,497
12.2 78623 Fischer 1,645 — $485,719
13.9 78261 San Antonio 26,657 $1,768 $434,207
14.1 78606 Blanco 7,272 — $540,263
14.4 78260 San Antonio 38,023 $1,539 $513,569
15.8 78132 New Braunfels 40,953 $1,586 $558,866
17.0 78266 San Antonio 7,338 — $565,721
17.7 78015 Boerne 24,867 $1,771 $596,474
18.4 78006 Boerne 44,560 $1,338 $588,908
18.5 78676 Wimberley 15,822 $2,099 $555,623
18.5 78258 San Antonio 52,448 $1,478 $500,221
18.5 78259 San Antonio 29,826 $1,464 $399,823

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.